tests: bluetooth: shell: update shell over CDC ACM UART configuration

Add usb.overlay which contains chosen node and cdc-acm-uart node.
Update USB configuration and test case.

Signed-off-by: Johann Fischer <[email protected]>

Author: jfischer-no

tests/bluetooth/shell/cdc_acm.conf

@@ -2,6 +2,5 @@ CONFIG_USB_DEVICE_STACK=y
 CONFIG_USB_DEVICE_PRODUCT="Zephyr BT Shell"
 CONFIG_USB_UART_CONSOLE=y
 
-CONFIG_UART_INTERRUPT_DRIVEN=y
 CONFIG_UART_LINE_CTRL=y
-CONFIG_UART_SHELL_ON_DEV_NAME="CDC_ACM_0"
+CONFIG_SHELL_BACKEND_SERIAL_INIT_PRIORITY=51

tests/bluetooth/shell/testcase.yaml

@@ -9,8 +9,9 @@ tests:
     min_flash: 145
   bluetooth.shell.cdc_acm:
     extra_args: OVERLAY_CONFIG=cdc_acm.conf
+                DTC_OVERLAY_FILE="usb.overlay"
     depends_on: usb_device
-    platform_allow: qemu_cortex_m3 qemu_x86 native_posix native_posix_64 nrf52840dk_nrf52840
+    platform_allow: native_posix native_posix_64 nrf52840dk_nrf52840
     platform_exclude: nrf52dk_nrf52810
     tags: bluetooth
     harness: keyboard

tests/bluetooth/shell/usb.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2021 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	chosen {
+		zephyr,shell-uart = &cdc_acm_uart0;
+	};
+};
+
+&zephyr_udc0 {
+	cdc_acm_uart0: cdc_acm_uart0 {
+		compatible = "zephyr,cdc-acm-uart";
+		label = "CDC_ACM_0";
+	};
+};